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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1549181187

Certificate GIA 1549181187

Diamond specifications and retailer prices

From $9,710 CAD
HK$54,200 HKD
As of October 29, 2026
Save $8,309 CAD (46%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,509 CAD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549181187. Listed at 23 retailers as of October 29, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549181187
Dimensions7.28 × 7.23 × 4.57 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Needle, Pinpoint
Top View
7.28 mm7.23 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549181187
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $12,412 CAD|Low: $10,339 CAD|High: $18,139 CAD|Avg: $13,337 CAD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$10,409 CAD
Retailer 11$10,990 CAD
Retailer 2$11,463 CAD
Retailer 3$11,871 CAD
Retailer 4$11,914 CAD
Retailer 9$12,119 CAD
Retailer 1$12,412 CAD
Retailer 5$14,090 CAD
Retailer 10$15,520 CAD
Retailer 8$17,162 CAD
Retailer 7$18,018 CAD

28 data points across 11 retailers

23 retailers$9,710 CAD to $18,018 CAD

A
Cheapest Retailer
-
$9,710 CAD
HK$54,200 HKD
A
Retailer 2
-
$10,409 CAD
₹708,330 INR
View
A
Retailer 3
-
$10,501 CAD
$7,503 USD
View
Retailer 4
-
$10,740 CAD
SGD 10,370 SGD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$10,990 CAD
$7,852 USD
View
A
Retailer 6
-
$11,463 CAD
SGD 11,068 SGD
View
B+
Retailer 7
-
$11,811 CAD
$8,439 USD
View
B+
Retailer 8
-
$11,813 CAD
$8,440 USD
View
Retailer 9
-
$11,871 CAD
$8,482 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$11,871 CAD
$8,482 USD
View
Final sale: no returns
B+
Retailer 11
-
$11,911 CAD
$8,510 USD
View
B+
Retailer 12
-
$11,914 CAD
£6,703 GBP
View
B+
Retailer 13
-
$12,119 CAD
A$13,321 AUD
View
B+
Retailer 14
-
$12,412 CAD
£6,983 GBP
View
Retailer 15
-
$12,861 CAD
$9,189 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$13,058 CAD
$9,330 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
$13,145 CAD
$9,392 USD
View
B+
Retailer 18
-
$14,090 CAD
€9,588 EUR
View
Retailer 19
-
$14,839 CAD
$10,602 USD
View
Price last confirmed 11 days ago
Retailer 20
-
$15,520 CAD
ZAR 179,145 ZAR
View
Price last confirmed 7 days ago
B
Retailer 21
-
$17,162 CAD
£9,655 GBP
View
B
Retailer 22
-
$18,018 CAD
£10,137 GBP
View
Most Expensive
NZ Jewellers
1e0e1df4-f9c0-4109-8f23-b540956e2e6e · Oct 17
$21,509 CAD
$15,368 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $9,710 CADSave up to $8,309 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Round
$9,710 CAD